Tiêu chuẩn iso 16293 2 2017

© ISO 2017 Glass in building — Basic soda lime silicate glass products — Part 2 Float glass Verre dans la construction — Verre de silicate sodocalcique — Partie 2 Glace INTERNATIONAL STANDARD ISO 1629[.]

Glass in building — Basic soda lime

Part 2:

Ve r da s la co struction — Ve r de silicate sodocalcique —

Partie 2: G lac

Fir t edition

2 17-0

Refer ence n mb r

ISO 162 3-2:2 17(E)

COPYRIGHT PROTECTED DOCUMENT

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F reword i v

1 Sc ope 1

2 Nor mati ve r eferenc es 1

3 Terms an definitions 1

4 Dimensional requir ements 3

4.1 Thicknes 3

4.1.1 General 3

4.1.2 Toleranc s 3

4.2 Leng th, width an sq ar enes 4

4.2.1 Jumb an splt siz s 4

4.2.2 Sup led an final cut iz s 4

5 Qual ty r equir ements 5

5.1 General 5

5.2 Methodsof o se v tion an measur ement 5

5.2.1 Optical fault 5

5.2.2 Visual faults 6

5.2.3 E g edefe t for final cut siz s 7

5.3 A cc ptanc levels 8

5.3.1 Optical fault 8

5.3.2 Sp t ault 8

5.3.3 Linear/ex ten ed fault 8

5.3.4 E g edefe t for final cut siz s 9

6 Desig natio 9

A nne x A (informative)Metho for me suring the halo size of spot fault 10

Biblog raphy 12

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Glass in building — Basic soda lime silicate glass

Part 2:

This document spe if ies dimensional an minimum q alty r q ir ment ( in r spe t of o tical an

visual fa ult )for flo t glas for use in buiding, as def ined in ISO 1 2 3-1

This document a plest o flo t glas suppled in st ock siz s an final cut siz s

2 Normati ve r eferences

The e ar no normative r fe enc s in this document

3 Terms and definitions

For the purp ses of this document, the t erms an definitions given in ISO 1 2 3-1 an the folowing a pply

ISO an IEC maintain t erminolo ical data ases for use in s an ardization at the folowing ad r s es:

— IECEle tro edia: a aia le at ht p:/ www ele tro edia org

— ISO Onlne brow sing plat orm:a ai a le at ht p:/ www iso org o p

3.1

length

H

dimension of the s raight edg e of theglas p ralel t o the dir ction of draw of the glas rib on

Note 1t o entry: S e Figure 1

[ SOURCE:ISO 1 48 -1:2 1 , 2.2 , modif ied]

l

H

Key

l dir ection of draw

H leng th

Figure 1 — Relatio ship betwe n length, width and direction of draw

width

B

dimension of the edg e of the glas pe pen icular t o the dir ction of the glas rib on

Not e 1t o entry: S e Figure 1

3.3

stock sizes

glas siz sthat ar int en ed t o be r -cut t o o tain fin l c ut s i zes (3.7)

Not e 1t o entry: St ock sizes can b jumb sizes, split sizes or su plied sizes

3.4

jumbo sizes

glas delve ed in the folowing siz s:

Nominal length H: 4 5 0 mm, 5 1 0 mm or 6 00 mm;

Nominal width B : 3 2 0 mm

Not e 1 t o entry: The usual width is 3 2 0 mm Ex ceptional prod ction req irements can cause this t o b red ced,

but he nominal width is never b low 3 1 0mm

Not e 2to entry: The usual ma imum length is 6 0 0 mm.Over ize plates where the nominal length, H, is gre ter

than 6 0 0 mm, can b prod ced t o special order

3.5

splt sizes

glas delve ed in the folowing siz rang es:

Nominal length H: 100 mm t o 2 5 0 mm;

Nominal width B : 3 2 0 mm

Not e 1 t o entry: The usual width is 3 2 0 mm Ex ceptional prod ction req irements can cause this t o b red ced,

but he nominal width is never b low 3 1 0mm

3.6

sup l ed size

p ne of glas that has be n sup led as raw mat erial for cut ing down t o a siz for ins alation, delve ed

in the folowing siz rang es:

Nominal length H: any;

Nominal width B : < 2 0 mm

Not e 1t o entry: In some cases,nominal width can b B <3 8 0 mm

3.7

final cut size

p ne of glas that has be n cut down t o the dimensions being r q ir d eithe for ins al ation or

proc s ing int o a final prod ct, e.g insulating glas unit , the maly t oughened safety glas , of those

dimensions

Not e 1 t o entry: T e minimum f inal cut size shal have dimensions H or B not les than 1 0 mm an a minimum

surface are of not les than 0,0 m

2

3.8

o tical faults

fa ult w hich lead t o dist ortions in the a pearanc of o je t o se ved through the glas

3 9

visual faults

fault w hich alt er the visual q al ty of the glas

Note 1t o entry: Visual faults inclu e spot aults an line r/ xt en ed faults

3.1

spot fault

defe t in the glas ha ing a lmit ed siz an being comp sed of a n cleus, w hich can be ac omp nied b

a h lo (3.1 ) of dist ort ed glas

3.1

halo

ar a of glas local y dist ort ed, g ene al y aroun a n cleus

3.12

l ne r/ xtended faults

fault w hich can be on or in the glas , in the form of dep sit , marks or sc at ches that oc up an

ext en ed length or ar a

3.13

edg e defect

defe t which can oc ur on the edge of a glas she t in the form of entrant and eme gent fault

an /or bev els

4 Dimensional r equir ements

4.1.1 General

The actual thick es shal be the a e ag e of four measur ment , taken t o the near s 0,0 mm, one

taken at the c ntr of each side Measur ment shal be b means of an ins rument of the cal pe

mic ometr ty e

4.1.2 Toleranc es

Al four measur ment , roun ed t o the near s 0,1 mm, shal not v ry from the nominal thick es b

mor than the t ole anc s shown in Ta le 1

NOTE F or the thick es es not des rib d in Ta le 1, the t olerance of the nominalthick es immediately lower

shal ap ly

F or nominal thicknes < mm, the t ole anc is ± ,1 mm

Table 1 — Tolerances on nominal thicknes

Nominal thicknes

(mm)

Tole anc s

(mm)

4.2 Leng th, w idth and squar enes

4.2.1 Jumbo and spl t sizes

The t ole anc s on nominal dimensions length, H, an width, B , for jumb and splt siz s ar ± mm

The lmit of sq ar nes ar desc ibed b the dife enc between diag onals Limit ar given in Ta le 2

Table 2 — Limit on the dif erence betwe n diag onals for jumbo and splt sizes

Dimensions in milimetres

Nominal

thick es

Limit on the dife enc betwe n dia onals

Jumb

siz s

Spl t iz s

( H, B)≤ 1 0 1 0 < ( H, B)≤ 3 0 ( H, B) > 3 0

4.2.2 Suppled and final cut sizes

The t ole anc s on nominal dimensions length, H, an width, B , for sup led an f inal cut siz s ar given

in Ta le 3

The lmit of sq ar nes ar desc ibed b the dife enc betwe n diag onals Limit ar given in Ta le4

Table 3 — T olerance, t , on the nominal dimensions length and width for suppled and final

cut sizes

Dimensions in milimetres

Nominal

thick es

Tole anc ,t

Sup led siz

Final cut siz s

( H, B) ≤ 3 0 0 ( H, B)> 3 0 0

Table 4 — Limit o the diference betwe n diag onals for sup l ed and final cut sizes

Dimensions in milimetres

Nominal

thick es

Limit on the dife enc betwe n diag onals

Sup led an final cut siz s

( H, B)≤ 1 5 0 1 0 <( H,B)≤ 3 0 0 ( H, B) > 30 0

5 Q ual ty requir ements

5.1 General

One q alty level is conside ed in this document This is det ermined b ev luation of the o tical an

visual fa ult

The man factur r( ) should be consult ed if highe levels of q al ty ar r q ir d

5.2 Methods of observation and me surement

5.2.1 Optical faults

A sc e n bearing an as embly of black an w hit e s ripes (z bra) is o se ved through the glas t o be

ex mined

The usual siz of sc e n is betwe n 1 5 0 mm × 1 1 0 mm an 2 5 0 mm × 2 0 0 mm It consis s of a

transluc nt w hit e b ckgrou d with p ralel black s ripes, 2 mm wide an 2 mm a art, inclned at 45°

The sc e n is u iformly lt from behin with w hit e day light fluor sc nt tubes The i luminanc of the

sc e n measur d 1 m from it shal be betwe n 40 lux an 1 2 0 lux The measur ment shal be taken

at a p int on a lne normal t o the c ntr of the sc e n The wal s of the t es ro m should be p int ed with

a dark non-r fle tive p int ha ing a dif use r fle tion ≤ ,1

The glas t o be ex mined shal be held ve ticaly in a sup ort frame The c ntr of the glas shal be at

a dis anc of 4,5 m from the sc e n an on a l ne normal t o the c ntr of the sc e n The glas shal be

ca a le of being rotat ed aroun a ve tical a is The glas shal be held with the dir ction of draw of

the glas ve tical Appro riat e c itical viewing angles, α, formed b the glas an the sc e n should be

in icat ed ( e Figur 2) The o se ver s an s s i at a dis anc of 9 m from the c ntr of the sc e n on a

l ne pas ing through the a isof rotation

The glas being ex mined is rotat ed from an angle α = 9 ° unti the e is no long er any dist ortionsof the

l nes on the sc e n The angle, α ( e Figur 2), at w hich this oc ur ed is not ed

F or st ock siz s, the glas samples ar o tained b spl t ing the ful width of the p ne int o pie es with a

width, B , of a out 8 0 mm, an a length, H, betwe n 3 0 mm an 5 0 mm The dist ortion is measur d

in the ar as D an d as shown in Figur 3 The dist ortion of the f inal cut siz s shal use the data of st ock

siz s Howeve , w hen the data does not exis , the sample shal be ev luat ed b the method of Figur 2

B

A

C

Key

A s reen

B g las sample

C o server

Figure 2 — Plan view sh wing set up of zebra t est

Key

B w idth (ap r ox imately 8 0 mm)

d me sur ement zone

D me sur ement zone

Figure 3 — Z nes for the me surement of o tical distortion

5.2.2 Visual faults

5.2.2.1 Spot faults

Con itions of o se v tion of spot fault ar desc ibed in Annex A The cat eg ories of spot fa ult ar

defined b the ma imum dimension (diamet er or length)of the halo or of the n cleus

The n cleus dimensions ar measur d with a mic ometr with grad ations in t enths of a mi lmetr ,

an the halo dimension is measur d ac ording t o the method def ined in Annex A

Not e the n mbe of spot fault an the bigg es dimension of the halo or of the n cleus an r lat e t o the

Table 5 — Categ ories of spot faults

> ,0 mm an ≤ ,0 mm > ,0mm an ≤6,0mm

> 2,0mm an ≤ ,0 mm >6,0 mm an ≤ ,0mm

NOT In some cir umstances, if not pos ible t o me sure the halo, then only the n cleus size has to b

me sured

5.2.2.2 Line r /ex tended faults

The glas pane t o be ex mined is i luminat ed in con itions a pro imating t o difuse day light an is

o se ved in front of a mat black sc e n (r fle tion coeff icient betwe n 0,2an 0,4 )

Plac the pane of glas t o be ex mined ve ticaly in front of the sc e n an p ralel t o it Ar ang e the

p int of o se v tion 2 m from the glas , keeping the dir ction of o se v tion normal t o the glas surfac

V iew the p ne of glas , an not e the pr senc of visual y dis urbing fault

5.2.3 E g e defects for final cut sizes

5.2.3.1 Entrant an emer g ent faults

These fault ar shown in Figur s 4 an 5 The dimensions h

1 , h

2 and p an the glas thick es , e, ar

measur d

h₁

Figure 4 — E trant and emerg ent faults (surface view)

p

e

Figure 5 — E trant faults (edg e view)

5.2.3.2 Bevel

This fa ult isshown in Figur 6 Thedimension, d, an the glas thick es , e, ar measur d

e

e

Figure 6 — Bevel (edg e view)

5.3 Ac c eptanc e levels

5.3.1 Optical faults

When viewed u de the con itions of o se v tion as desc ibed in 5.2.1, the angle, α, at w hich the e is

no dis urbing dist ortion shal be not les than the a pro riat e c itical viewing angle given in Ta le 6

Table 6 — Critical viewing angles

Nominal thick es

in mm

Angle, α, in zone, D,

in degr es

Angle, α, in zone,

d, in degr es

5.3.2 Spot faults

The alowa le n mbe s for each of the cat eg oriesof fault ( e Ta le 5) for st ock siz s and final cut iz s

ar shown in Ta le 7, using the n cleus or the halo dimension as ac eptanc c it eria

Table 7 — Alowable number of faults for stock sizes and final cut sizes

St ock siz

(ma per m

2

)

Final cut siz

(ma per m

2

)

> ,0 mm an ≤ ,0 mm > ,0mm an ≤6,0mm 1,3 /m

2

1,3 /m 2

> 2,0mm an ≤ ,0 mm >6,0 mm an ≤ ,0mm 0,66 /m

2

0,66 /m 2

2

0 /m 2

5.3.3 Line r /ex tended faults

5.3.3.1 Jumb and splt sizes

When ex mined b the method in 5.2.2.2, the alowa le n mbe of fa ult is an a e ag e of 0,0 fault in

2

of glas , r lat ed t o at leas 2 t on es

5.3.3.2 Suppl ed sizes

When ex mined b the method in 5.2.2.2, the alowa le n mbe of fault is an avera e of 0,0 fault

pe 2 m

2

5.3.3.3 Line r /ex tended faults for final cut sizes

When ex mined b the method in 5.2.2.2, no lnear/ext en ed fa ult ar alowed

5.3.4 E g e defects for final cut sizes

The l mitations on entrant an eme g ent fault an bevel ar given in Ta le 8

Table 8 — Limitations o edg e defects

E trant fault

h

1

<e mm

P <(e 2) mm

Emerg nt ault h

2

<e mm, but shal not ex ce d 1 mm

Bevel T e ratio (d/ )shal b les than 0,5, but d shal not ex ce d 1 mm

The lmitations only ap ly when there is no risk of bre kage resultin f om thermal s res In

ap lc tions where thermal s res bre kage may ap ly, the man fa turer ’ re ommen ations on ed e

q alty should be folow ed

6 Desig nation

Flo t glas in complanc with this document hal be designat ed, r spe tively, b thefolowing:

— thety e;

— a r fe enc t o this document, i.e ISO 1 2 3- 2;

— thetint (man factur r’s r fe enc )or clear;

— thenominal thick es in mm;

— thenominal length, H, an width, B , in mm;

E AMP E Flo t glas cle r, inten ed for use in buildings, thick es 3 mm, length 6,0 m, width 3,2 m, is

designated as fol ows:

Flo t glas - ISO 162 3-2 - cle r 3mm, 6 0 0mm ×3 2 0mm